Home / 69,118.04-103,615.32-26,988.32

Finding the Fourth Proportional to 69,118.04, 103,615.32 and 26,988.32

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Solution

The fourth proportional to 69,118.04, 103,615.32 and 26,988.32 is: 40,458.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,118.04 : 103,615.32 = 26,988.32 : x
  2. Step 2: Convert to fraction form
    69,118.04/103,615.32 = 26,988.32/x
  3. Step 3: Cross multiply
    69,118.04x = 103,615.32 × 26,988.32
  4. Step 4: Simplify right side
    69,118.04x = 2,796,403,773.31
  5. Step 5: Solve for x
    x = 2,796,403,773.31/69,118.04
  6. Step 6: Final answer
    x = 40,458.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.